Grease a 9 x 13 pan with butter. Steam broccoli until partially cooked, about 3 minutes. Cool and press dry. Beat eggs, milk until frothy. mix flour baking powder and salt. stir into egg mixture, mixing well
Fold in broccoli, cheese and onion. Spoon into baking dish, spread evenly. sprinkle with seasoned salt.
Bake at 350 for about 35 min. or until set and lightly browned. Let stand for 5 mins then cut into bite - sized squares.